Real-time
Two-way sync
Changes in Bill or eClinicalWorks instantly reflect in both systems. No stale data, no manual imports.
Accounting and finance ⇄ Business productivity
Bill to eClinicalWorks integration — real-time, two-way sync
Keep Bill and eClinicalWorks in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
- SOC 2 and 6 other compliance frameworks
- POC with real engineers in minutes
Adopted by fast-scaling companies moving mission-critical data in real time
Case study
Migrated from MuleSoft
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Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
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Migrated from Fivetran
Case study
Migrated from Celigo
Why teams connect Bill and eClinicalWorks
Connect the financial records in Bill with the work happening in eClinicalWorks, so both stay current without exports or copy-paste.
Bill holds the financial truth: who the customers are, what they were billed, what they paid. eClinicalWorks is where part of the day-to-day work happens, and that work often involves the same customers and transactions. Without a live connection, the two drift apart, and people end up answering questions from stale copies.
Stacksync keeps Vendor Credits and Credit Memos, Bills, Vendors, Invoices in Bill and Appointments, Encounters, Practitioners, Observations in eClinicalWorks in sync, bi-directionally and in real time. Whatever records eClinicalWorks keeps and whatever events it produces, the overlap with Bill is mapped field by field, and a change on either side shows up on the other within seconds.
There is no middleware to build, no API rate limits to babysit, and no nightly job that leaves the morning running on yesterday's data.
Common use cases
- 01 Read Payments and payment status into a reconciliation database once bills are marked paid in BILL.
- 02 Read approved Bills and their line items into a Postgres warehouse for spend, accrual, and cash-flow reporting without CSV exports.
- 03 Keep provider directories consistent between eClinicalWorks and scheduling or marketing systems.
- 04 Push referral or intake data captured in external forms into the EHR via HL7 interfaces.
Common sync patterns
Where eClinicalWorks collects payments or triggers charges: events land in Bill
Payment and charge activity flows into Bill as it happens, so the books reflect reality without manual reconciliation.
Where eClinicalWorks tracks people or companies: one identity
A customer's details updated in either system update the other, so finance and the rest of the business stop maintaining two versions of the same customer.
Where eClinicalWorks handles customer conversations: billing context in view
Front-line teams see invoice and payment status from Bill next to the customer they are helping, without logging into the finance system.
What you can sync between Bill and eClinicalWorks
Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.
| Bill objects | eClinicalWorks objects | How this pairing syncs | |
|---|---|---|---|
| Chart of Accounts GL accounts used to code bills and invoices; typically mastered in the accounting system and written into BILL for consistent coding. | Encounters Visit records tying diagnoses, providers, and billing context together. | Chart of Accounts is specific to Bill and Encounters to eClinicalWorks — each maps to any object or custom field on the other side. | |
| Bank Accounts Funding and deposit accounts; read to reconcile payments and posted transactions against the ledger. | Practitioners Provider records used to keep directories and scheduling systems consistent. | Bank Accounts is specific to Bill and Practitioners to eClinicalWorks — each maps to any object or custom field on the other side. | |
| Vendor Credits and Credit Memos AP and AR adjustments applied against bills and invoices; synced so balances stay accurate on both sides. | Observations Labs and vitals, delivered via FHIR resources or HL7 ORU result messages. | Vendor Credits and Credit Memos is specific to Bill and Observations to eClinicalWorks — each maps to any object or custom field on the other side. | |
| Bills Accounts-payable amounts owed to vendors, with bill line items; read and created via /v3/bills and pulled incrementally by filtering on createdTime/updatedTime. | Medications Prescription and medication-list data within the patient record. | Bills is specific to Bill and Medications to eClinicalWorks — each maps to any object or custom field on the other side. | |
| Vendors Payee master records; synced two-way with vendor/supplier tables in an ERP or accounting system so new payees don't have to be re-keyed. | Allergies Allergy and intolerance entries in the clinical record. | Vendors is specific to Bill and Allergies to eClinicalWorks — each maps to any object or custom field on the other side. | |
| Invoices Accounts-receivable invoices sent to customers; created and read via /v3/invoices to keep billing status aligned with the ERP or CRM. | Immunizations Vaccination history exposed for registries and patient apps. | Invoices is specific to Bill and Immunizations to eClinicalWorks — each maps to any object or custom field on the other side. |
How changes propagate between Bill and eClinicalWorks
Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.
Bill eClinicalWorks Sub-second propagation
DetectionBill notifies Stacksync of record changes through webhook events. Webhook event subscriptions (POST /v3/subscriptions) for bills, vendors, payments, invoices, and bank accounts, with polling on.
DeliveryEach detected change is written to eClinicalWorks through its API, with automatic retries and rate-limit backoff.
eClinicalWorks Bill Interval-based propagation
DetectionStacksync polls eClinicalWorks for changes on an incremental schedule, reading only records changed since the previous pass. HL7 interface feeds push event messages as they occur.
DeliveryEach detected change is written to Bill through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- Bill: 20,000 requests per developer key per hour; login (POST /v3/login) capped at 200/hour; maximum 3 concurrent requests per developer key per organization. Spend & Expense API is a separate token at 60 calls/token/minute.
- eClinicalWorks: Subject to the platform's API rate limits and interface throughput agreements.
What ships with Bill ⇄ eClinicalWorks
Connect Bill and eClinicalWorks for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Bill–eClinicalWorks connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Bill or eClinicalWorks data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
At scale
Event queues
Handle millions of events per minute without losing a single Bill or eClinicalWorks record.
Observability
Monitoring
Track your Bill ⇄ eClinicalWorks sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Bill and eClinicalWorks.
How the Bill and eClinicalWorks connectors work
Bill
- Integration surface
- REST/JSON (BILL v3 Connect API)
- Authentication
- Session-based: POST /v3/login with username, password, organizationId, and a developer key (devKey) returns a sessionId that is passed with the devKey as headers on every subsequent call; OAuth is available for partner/embedded apps
- Change detection
- Webhook event subscriptions (POST /v3/subscriptions) for bills, vendors, payments, invoices, and bank accounts, with polling on createdTime/updatedTime list filters as the fallback
- Capabilities
- read · write · webhooks
- Rate limits
- 20,000 requests per developer key per hour; login (POST /v3/login) capped at 200/hour; maximum 3 concurrent requests per developer key per organization. Spend & Expense API is a separate token at 60 calls/token/minute.
eClinicalWorks
- Integration surface
- FHIR R4 REST API plus HL7 v2 interfaces (ADT, SIU, ORU) through an interface engine
- Authentication
- OAuth 2.0 / SMART on FHIR for the FHIR API; site-configured credentials for HL7 interface connections
- Change detection
- HL7 interface feeds push event messages as they occur; the FHIR API is polled
- Capabilities
- read · write
- Rate limits
- Subject to the platform's API rate limits and interface throughput agreements
How it works
How to connect Bill to eClinicalWorks — three steps, no code
Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.
- 01
Connect your apps
Authenticate Bill and eClinicalWorks with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Bill
connected
eClinicalWorks
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Bill and eClinicalWorks objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.
objects · Bill ⇄ eClinicalWorksCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Bill eClinicalWorksCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Bill and eClinicalWorks integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Bill and eClinicalWorks: authenticate both systems, choose the objects to sync (such as Bill's Chart of Accounts and Bank Accounts), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Stacksync pricing is usage-based and starts at $1,000/month, including the managed Bill and eClinicalWorks connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Bill–eClinicalWorks integration in-house.
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Yes — Stacksync ships production-grade connectors for both Bill and eClinicalWorks. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
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Change detection on Bill: Webhook event subscriptions (POST /v3/subscriptions) for bills, vendors, payments, invoices, and bank accounts, with polling on createdTime/updatedTime list filters as the fallback. On eClinicalWorks: HL7 interface feeds push event messages as they occur; the FHIR API is polled. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
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On the Bill side: Vendor Credits and Credit Memos, Bills, Vendors, Invoices, plus custom fields where Bill exposes them. On the eClinicalWorks side: Appointments, Encounters, Practitioners, Observations. Stacksync auto-detects both schemas and converts types between the two systems.
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Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.
SECURITY
Security teams trust Stacksync
As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.
SOC 2 Type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS
SSO & SCIM
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Alerts
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Secure connection options
Securely connects to your systems with:
Related integrations
Every pair below is a real-time, two-way sync. Search all 433 integrations available for Bill and eClinicalWorks.
Popular · 7 of 433
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Bill ⇄ Lemlist -
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eClinicalWorks ⇄ Logisense -
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eClinicalWorks ⇄ Ramp
No integrations match .
